DTC codes / P2Axx · Hybrid propulsion / P2A67
P2A67 indicates that the powertrain control module has detected an abnormally high voltage on the circuit for the alternative fuel tank 'C' level sensor, which is typically a fuel level or pressure sensor in a compressed natural gas or propane tank. The computer expects the sensor signal voltage to stay within a calibrated range, and a sustained high reading usually means the circuit is open, shorted to voltage, or the sensor itself has failed.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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